Maintenance Manual
March 2022
Programmed Maintenance Procedures
170
S
®
Booms • Z
®
Booms
Part No. 1268489GT
Z-45/25 (J) IC, BE, DC, Z-45 DC/FE, Z-45XC, Z-
51/30J
Primary boom wear pad specifications
Minimum
Top, bottom and side wear pads
(platform end of boom)
0.625 inch
15,9 mm
Bottom and side wear pads
(pivot end of boom)
0.50 inch
12,7 mm
Top wear pads
(pivot end of boom)
0.625 inch
15,9 mm
Z-60 DC/FE, Z-62
Primary boom wear pad specifications
Minimum
Top and side wear pads
0.486 inch
12,3 mm
Side wear pads
0.519 inch
13,2 mm
Z-80/60
Boom wear pad specifications
Minimum
Primary Boom
Top, bottom and side wear pads
0.625 inch
15,9 mm
Primary and secondary extension boom
Top wear pads
0.625 inch
15,9 mm
Side wear pads
0.50 inch
12,7 mm
Secondary Boom
Top wear pads
0.50 inch
12,7 mm
Bottom and side wear pads
0.875 inch
22,22 mm
Z-135/70, ZX-135/70
Note: The minimum shim clearance for the
secondary boom wear pads is 0.070 inch / 1,8 mm
and the maximum allowable shim clearance is
0.25 inch / 6,4 mm.
Note: The minimum shim clearance for the jib
boom and primary boom wear pads is 0.070 inch /
1,8 mm and the maximum allowable shim
clearance is 0.188 inch / 4,8 mm.
Primary boom wear pad specifications
Minimum
Top, bottom and side wear pads
(platform end of boom)
0.625 inch
15,9 mm
Top and side wear pads
(pivot end of boom)
0.50 inch
12,7 mm
Side wear pads
(pivot end of boom)
0.375 inch
9,5 mm
Secondary boom wear
pad specifications
Minimum
Top wear pads
(extension end of boom)
0.375 inch
9,5 mm
Side wear pads
(extension end of boom)
0.50 inch
12,7 mm
Bottom wear pads
(extension end of boom)
7/8 inch
22 mm
Top and bottom wear pads
(pivot end of boom)
0.625 inch
15,9 mm
Side wear pads
(pivot end of boom)
0.50 inch
12,7 mm
Jib boom wear pad specifications
Minimum
Bottom and side wear pads
(platform end of boom)
0.625 inch
15,9 mm
Top wear pads
(platform end of boom)
0.50 inch
12,7 mm
Top and side wear pads
(pivot end of boom)
0.375 inch
9,5 mm
Bottom wear pads
(pivot end of boom)
0.625 inch
15,9 mm